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Lecture

PHYS 1010 Lecture Notes - Thermal Expansion, Multimeter


Department
Physics and Astronomy
Course Code
PHYS 1010
Professor
Marko Horbatsch

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LAB 5 Thermal Physics
1. Thermal Expansion
A. Copper (for example)
Initial Temperature, [please get the reading in Multi-meter and use
calibration factor to convert it into ]
Initial Length,
Final Temperature, [similar like above]
Elongation,
Use the formula for thermal expansion,
Also use the formula to find the error,
B. For Aluminum/Steel [Do similarly]
2. Charles’ Law
We know the volume of a cylinder is, . As during this process, only height is
changing, therefore, we can conclude that
Therefore we can write the relation of Charles’ Law for this experiment as follows:
where is a proportionality constant.
If the dependence between the height
h
of the cylinder and the temperature
T
is linear,
then the Charles’ Law is verified.
Table 1: The dependence of the height of the cylinder
h
versus the temperature of the air
T
T
(oC)
h
(mm)
1. ? ?
2. ? ?
3. ? ?
4. ? ?
5. ? ?
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